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Bergeron RJ, Wiegand J, Dionis JB, Egli-Karmakka M, Frei J, Huxley-Tencer A, Peter HH.Bergeron RJ, et al.J Med Chem. 1991 Jul;34(7):2072-8. doi: 10.1021/jm00111a023.J Med Chem. 1991.PMID: 2066978